*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg,#fff,#eff0f4);
}
.drop{
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    box-shadow: inset 15px 15px 20px rgba(0,0,0,0.05),
    10px 15px 20px rgba(0,0,0,0.1),
    inset -15px -15px 20px rgba(255,255,255,1)
}
.drop::before{
    content: '';
    position: absolute;
    inset: 15px;
    box-shadow: inset 10px 10px 10px #fff;
    border-radius: 50%;
    filter: blur(5px);
}